// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "media/audio/test_audio_input_controller_factory.h"
#include "media/audio/audio_file_writer.h"
#include "media/audio/audio_io.h"

namespace media {

TestAudioInputController::TestAudioInputController(
    TestAudioInputControllerFactory* factory,
    AudioManager* audio_manager,
    const AudioParameters& audio_parameters,
    EventHandler* event_handler,
    SyncWriter* sync_writer,
    UserInputMonitor* user_input_monitor)
    : AudioInputController(audio_manager->GetTaskRunner(),
        event_handler,
        sync_writer,
        nullptr,
        user_input_monitor,
        false)
    , audio_parameters_(audio_parameters)
    , factory_(factory)
    , event_handler_(event_handler)
    , sync_writer_(sync_writer)
{
}

TestAudioInputController::~TestAudioInputController()
{
    // Inform the factory so that it allows creating new instances in future.
    factory_->OnTestAudioInputControllerDestroyed(this);
}

void TestAudioInputController::Record()
{
    if (factory_->delegate_)
        factory_->delegate_->TestAudioControllerOpened(this);
}

void TestAudioInputController::Close(const base::Closure& closed_task)
{
    GetTaskRunnerForTesting()->PostTask(FROM_HERE, closed_task);
    if (factory_->delegate_)
        factory_->delegate_->TestAudioControllerClosed(this);
}

TestAudioInputControllerFactory::TestAudioInputControllerFactory()
    : controller_(NULL)
    , delegate_(NULL)
{
}

TestAudioInputControllerFactory::~TestAudioInputControllerFactory()
{
    DCHECK(!controller_);
}

AudioInputController* TestAudioInputControllerFactory::Create(
    scoped_refptr<base::SingleThreadTaskRunner> task_runner,
    AudioInputController::SyncWriter* sync_writer,
    AudioManager* audio_manager,
    AudioInputController::EventHandler* event_handler,
    AudioParameters params,
    UserInputMonitor* user_input_monitor)
{
    DCHECK(!controller_); // Only one test instance managed at a time.
    controller_ = new TestAudioInputController(this, audio_manager, params, event_handler,
        sync_writer, user_input_monitor);
    return controller_;
}

void TestAudioInputControllerFactory::OnTestAudioInputControllerDestroyed(
    TestAudioInputController* controller)
{
    DCHECK_EQ(controller_, controller);
    controller_ = NULL;
}

} // namespace media
